611247
A1.3.7.10.17.18
B2.4.5.6.8.11.12.14.15.16.19
C9.13.20
对错错对对,对对对错对
对对对错对,错对对对对
1a,2b,3a,4b,5b,6b,7a,8b,9c,10a,11b,12a,13c,
14b,15b,16b,17a,18a,19b,20c
23,29,34,36,错